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Diffstat (limited to 'c/src/lib/libbsp/sparc/shared/include/griommu.h')
| -rw-r--r-- | c/src/lib/libbsp/sparc/shared/include/griommu.h | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/c/src/lib/libbsp/sparc/shared/include/griommu.h b/c/src/lib/libbsp/sparc/shared/include/griommu.h deleted file mode 100644 index 2bafe4c513..0000000000 --- a/c/src/lib/libbsp/sparc/shared/include/griommu.h +++ /dev/null @@ -1,187 +0,0 @@ -/* - * GRIOMMU Driver Interface - * - * COPYRIGHT (c) 2017 - * Cobham Gaisler AB - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - * - * OVERVIEW - * ======== - * This driver controls the GRIOMMU device located - * at an on-chip AMBA. - */ - -#ifndef __GRIOMMU_H__ -#define __GRIOMMU_H__ - -#include <stdint.h> -#include <stdio.h> - -#ifdef __cplusplus -extern "C" { -#endif - -extern void griommu_register_drv(void); - -#define GRIOMMU_ERR_OK 0 -#define GRIOMMU_ERR_NOINIT -1 -#define GRIOMMU_ERR_EINVAL -2 -#define GRIOMMU_ERR_IMPLEMENTED -3 -#define GRIOMMU_ERR_NOTFOUND -4 - -/* Size of APV (has to be divided by page size in bytes) */ -#define GRIOMMU_APV_SIZE 0x20000000 - -/* Alignment of APV */ -#define GRIOMMU_APV_ALIGN 0x10 - -/* IOMMU APV allocation helper functions */ -extern void * griommu_apv_new(void); -extern void griommu_apv_delete(void * apv); - -/* IOMMU Master Setup */ - -/* IOMMU Master find */ -/* - * GRIOMMU MASTER register fields - */ -#define MASTER_VENDOR (0xff << MASTER_VENDOR_BIT) -#define MASTER_DEVICE (0xfff << MASTER_DEVICE_BIT) -#define MASTER_BS (0x1 << MASTER_BS_BIT) -#define MASTER_GROUP (0xf << MASTER_GROUP_BIT) - -#define MASTER_VENDOR_BIT 24 -#define MASTER_DEVICE_BIT 12 -#define MASTER_BS_BIT 4 -#define MASTER_GROUP_BIT 0 - -#define GRIOMMU_OPTIONS_BUS0 0 -#define GRIOMMU_OPTIONS_BUS1 1 -extern int griommu_master_setup(int master, int group, int options); -extern int griommu_master_find(int vendor, int device, int instance); -extern int griommu_master_info(int master, uint32_t * info); -#define griommu_get_master_vendor(info) \ - ((info & MASTER_VENDOR) >> MASTER_VENDOR_BIT) -#define griommu_get_master_device(info) \ - ((info & MASTER_DEVICE) >> MASTER_DEVICE_BIT) -#define griommu_get_master_routing(info) \ - ((info & MASTER_BS) >> MASTER_BS_BIT) -#define griommu_get_master_group(info) \ - ((info & MASTER_GROUP) >> MASTER_GROUP_BIT) - -/* IOMMU Group Setup */ -#define GRIOMMU_OPTIONS_GROUP_PASSTHROUGH 2 -#define GRIOMMU_OPTIONS_GROUP_ENABLE 1 -#define GRIOMMU_OPTIONS_GROUP_DISABLE 0 -extern int griommu_group_setup(int group, void * apv, int options); -extern int griommu_group_info(int group, uint32_t * info); -#define GRIOMMU_OPTIONS_APV_ALLOW 0x1 -#define GRIOMMU_OPTIONS_APV_DONTALLOW 0x0 -extern int griommu_group_apv_init(int group, int options); -extern int griommu_group_apv_address_set(int group, uint32_t addr, int size, - int options); -extern int griommu_group_apv_page_set(int group, int index, int size, - int options); -extern int griommu_group_apv_flush(int group); - -/* IOMMU Setup */ -/* - * GRIOMMU CTRL register fields - */ -#define CTRL_PGSZ (0x7 << CTRL_PGSZ_BIT) -#define CTRL_LB (0x1 << CTRL_LB_BIT) -#define CTRL_SP (0x1 << CTRL_SP_BIT) -#define CTRL_ITR (0xf << CTRL_ITR_BIT) -#define CTRL_DP (0x1 << CTRL_DP_BIT) -#define CTRL_SIV (0x1 << CTRL_SIV_BIT) -#define CTRL_HPROT (0x3 << CTRL_HPROT_BIT) -#define CTRL_AU (0x1 << CTRL_AU_BIT) -#define CTRL_WP (0x1 << CTRL_WP_BIT) -#define CTRL_DM (0x1 << CTRL_DM_BIT) -#define CTRL_GS (0x1 << CTRL_GS_BIT) -#define CTRL_CE (0x1 << CTRL_CE_BIT) -#define CTRL_PM (0x3 << CTRL_PM_BIT) -#define CTRL_PM_APV (0x0 << CTRL_PM_BIT) -#define CTRL_PM_IOMMU (0x1 << CTRL_PM_BIT) -#define CTRL_EN (0x1 << CTRL_EN_BIT) - -#define CTRL_PGSZ_BIT 18 -#define CTRL_LB_BIT 17 -#define CTRL_SP_BIT 16 -#define CTRL_ITR_BIT 12 -#define CTRL_DP_BIT 11 -#define CTRL_SIV_BIT 10 -#define CTRL_HPROT_BIT 8 -#define CTRL_AU_BIT 7 -#define CTRL_WP_BIT 6 -#define CTRL_DM_BIT 5 -#define CTRL_GS_BIT 4 -#define CTRL_CE_BIT 3 -#define CTRL_PM_BIT 1 -#define CTRL_EN_BIT 0 - -#define GRIOMMU_OPTIONS_LOOKUPBUS_BUS0 0 -#define GRIOMMU_OPTIONS_LOOKUPBUS_BUS1 CTRL_LB -#define GRIOMMU_OPTIONS_CACHE_DISABLE 0 -#define GRIOMMU_OPTIONS_CACHE_ENABLE CTRL_CE -#define GRIOMMU_OPTIONS_GROUPADDRESSING_DISABLE 0 -#define GRIOMMU_OPTIONS_GROUPADDRESSING_ENABLE CTRL_GS -#define GRIOMMU_OPTIONS_WPROTONLY_DISABLE 0 -#define GRIOMMU_OPTIONS_WPROTONLY_ENABLE CTRL_WP -#define GRIOMMU_OPTIONS_AHBUPDATE_DISABLE 0 -#define GRIOMMU_OPTIONS_AHBUPDATE_ENABLE CTRL_AU -#define GRIOMMU_OPTIONS_PREFETCH_DISABLE CTRL_DP -#define GRIOMMU_OPTIONS_PREFETCH_ENABLE 0 -#define GRIOMMU_OPTIONS_PAGESIZE_4KIB 0 -#define GRIOMMU_OPTIONS_PAGESIZE_8KIB (0x1 << CTRL_PGSZ_BIT) -#define GRIOMMU_OPTIONS_PAGESIZE_16KIB (0x2 << CTRL_PGSZ_BIT) -#define GRIOMMU_OPTIONS_PAGESIZE_32KIB (0x3 << CTRL_PGSZ_BIT) -#define GRIOMMU_OPTIONS_PAGESIZE_64KIB (0x4 << CTRL_PGSZ_BIT) -#define GRIOMMU_OPTIONS_PAGESIZE_128KIB (0x5 << CTRL_PGSZ_BIT) -#define GRIOMMU_OPTIONS_PAGESIZE_256KIB (0x6 << CTRL_PGSZ_BIT) -#define GRIOMMU_OPTIONS_PAGESIZE_512KIB (0x7 << CTRL_PGSZ_BIT) -extern int griommu_setup(int options); -extern int griommu_status(void); - -#define GRIOMMU_MODE_IOMMU 1 -#define GRIOMMU_MODE_GROUPAPV 0 -extern int griommu_enable(int mode); -extern int griommu_disable(void); - -/* IOMMU APV setup */ -extern int griommu_apv_flush(void); -extern int griommu_apv_init(void * apv, int options); -extern int griommu_apv_address_set(void * apv, uint32_t addr, int size, - int options); -extern int griommu_apv_page_set(void * apv, int index, int size, int options); - -/* GRIOMMU Interrupts */ -/* Function Interrupt-Code ISR callback prototype. - * arg - Custom arg provided by user - * access - AHB Access that failed - * status - Error status register of the GRIOMMU core - */ -typedef void (*griommu_isr_t)(void *arg, uint32_t access, uint32_t status); -#define GRIOMMU_INTERRUPT_ALL (0x2f << 0) -#define GRIOMMU_INTERRUPT_PARITY_ERROR (0x1 << 5) -#define GRIOMMU_INTERRUPT_FLUSH_COMPLETED (0x1 << 3) -#define GRIOMMU_INTERRUPT_FLUSH_START (0x1 << 2) -#define GRIOMMU_INTERRUPT_ACCESS_DENIED (0x1 << 1) -#define GRIOMMU_INTERRUPT_TRANSLATION_ERROR (0x1 << 0) -extern int griommu_isr_register(griommu_isr_t isr, void * arg, int options); -extern int griommu_isr_unregister(void); -extern int griommu_interrupt_unmask(int options); -extern int griommu_interrupt_mask(int options); - -extern int griommu_error_status(uint32_t * access); - -extern int griommu_print(void); - -#ifdef __cplusplus -} -#endif - -#endif /* __GRIOMMU_H__ */ |